an extinct bird reappeared 136 thousand years ago

May 11, 2019

A British survey revealed that the last species of non-flying bird that survived in the Indian Ocean had already existed, that is, an extinct bird returned to live the earth.

A research work conducted by experts from the University of Portsmouth, Hampshire, England and the United Kingdom. Museum of Natural History, confirmed that the last species of bird that did not fly over the Indian Ocean had already existed. In other words, a extinct bird more than 135 thousand years ago, returned to live on planet Earth.

According to the publication of Zoological Journal of the Linnaean Society, researchers have discovered that two or even thousands of years ago, a species of raid had been able to colonize an isolated atoll but that it had always lost its ability to fly.

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The white-throated raid is a bird very similar to a chicken, native to Madagascar, in African territory. This species is considered one of the major colonizers of isolated islands and can also breed in large numbers once they migrate from the island of origin. However, what has most attracted the attention of researchers in this case, is that it is the first time that iterative evolution occurs in these people, that is, it is the first time that iterative evolution occurs in these people that is to say that because of a strange process, they have returned from extinction.

Scientists have badyzed traces of fossils dating back more than 100,000 years, when sea levels fell during the glaciation and the territory was recolonised by non-flying birds. Then they compared the bones of a fossilized bird (before the flood) with those of another bird, but after this important event.

It was so that they discovered that the bones of the wing showed an advanced state of no flight and that the ankle bones exhibited different properties evolving towards the No flight. That is to say that a species that inhabited the island of Madagascar gave birth to two different species of a non-flying raid, of course, this kind of evolution has been on for thousands of years.

Julian Hume, one of the leading researchers and supporter of this hypothesis, said: "These unique fossils provide irrefutable evidence that one member of this family of birds colonized the atoll, probably from Madagascar, and has lost the ability to fly at every opportunity.The fossil evidence presented here is unique to the Rálidos and embodies the ability of these birds to successfully colonize isolated islands and lose the ability to fly several times. "

Source: Miter Radio

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